Denon AVR-550SD Operating Instructions Manual page 26

Av surround receiver and speaker system pack
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7
Set the various surround parameters.
(Remote control unit)
8
Press the SURROUND PARAMETER button to
finish surround parameter mode.
(Remote control unit)
Surround parameters q
II
IIx
Pro Logic
(
) Mode:
• The Cinema mode is for use with stereo television shows and all programs encoded Dolby Surround.
• The Music mode is recommended as the standard mode for autosound music systems (no video), and is
optional for A/V systems.
• The Pro Logic mode offers the same robust surround processing as original Pro Logic in case the source
contents is not of optimum quality.
Select one of the modes ("cinema", "music" or "game").
Panorama Control:
This mode extends the front stereo image to include the surround speakers for an exciting "wraparound"
effect with side wall imaging.
Select "OFF" or "ON".
Dimension Control:
This control gradually adjust the soundfield either towards the front or towards the rear.
The control can be set in 7 steps from 0 to 6.
Center Width Control:
This control adjust the center image so it may be heard only from the center speaker; only from the left/right
speakers as a phantom image; or from all three front speakers to varying degrees.
The control can be set in 8 steps from 0 to 7.
DTS NEO:6 Mode:
• Cinema
This mode is optimum for playing movies.
performance to achieve the same atmosphere with 2-channel sources as with 6.1-channel sources.
This mode is effective for playing sources recorded in conventional surround formats as well, because the
in-phase component is assigned mainly to the center channel (C) and the reversed phase component to the
surround (SL, SR and SB channels).
• Music
This mode is suited mainly for playing music. The front channel (FL and FR) signals bypass the decoder
and are played directly so there is no loss of sound quality, and the effect of the surround signals output
from the center (C) and surround (SL, SR and SB) channels add a natural sense of expansion to the sound
field.
CENTER IMAGE (0.0 to 0.5: default 0.2):
The center image parameter for adjusting the expansion of the center channel in the DTS NEO:6 MUSIC
mode has been added.
26
Decoding is performed with emphasis on separation
Surround parameters w
CINEMA EQ. (Cinema Equalizer):
The Cinema EQ function gently decreases the level of the extreme high frequencies, compensating for
overly-bright sounding motion picture soundtracks. Select this function if the sound from the front speakers
is too bright.
This function only works in the Dolby Pro Logic IIx, Dolby Digital, DTS Surround, DTS NEO:6 and WIDE
SCREEN modes. (The same contents are set for all operating modes.)
D.COMP. (Dynamic Range Compression):
Motion picture soundtracks have tremendous dynamic range (the contrast between very soft and very loud
sounds). For listening late at night, or whenever the maximum sound level is lower than usual, the Dynamic
Range Compression allows you to hear all of the sounds in the soundtrack (but with reduced dynamic range).
(This only works when playing program sources recorded in Dolby Digital or DTS.) Select one of the four
parameters ("OFF", "LOW", "MID" (middle) or "HI" (high)). Set to OFF for normal listening.
LFE (Low Frequency Effect):
This sets the level of the LFE (Low Frequency Effect) sounds included in the source when playing program
sources recorded in Dolby Digital or DTS.
If the sound produced from the subwoofer sounds distorted due to the LFE signals when playing Dolby Digital
or DTS sources when the peak limiter is turned off with the subwoofer peak limit level setting (system setup
menu), adjust the level as necessary.
Program source and adjustment range:
1. Dolby Digital:
–10 dB to 0 dB
2. DTS Surround:
–10 dB to 0 dB
When DTS encoded movie software is played, it is recommended that the LFE LEVEL be set to 0
dB for correct DTS playback.
When DTS encoded music software is played, it is recommended that the LFE LEVEL be set to –10
dB for correct DTS playback.
TONE:
This adjusts the tone control. This can be set individually for the separate shroud mode other than Pure direct
and direct mode.
AFDM (Auto Flag Detect Mode):
ON .......This function only works with software on which a special identification signal is recorded. This
software is scheduled to go on sale in the future.
This is a function for automatically playing in the 6.1-channel mode using the surround back
speakers if the software is recorded in DTS-ES or in the normal 5.1-channel mode without using
the surround back speakers when the software is not recorded in DTS-ES.
OFF......Set the "OFF" mode to perform 6.1-channel playback with conventional 5.1-channel sources or
sources on which the identification signal described below is not recorded.
SB CH OUT:
(1) (Multi channel source)
"OFF"...........................Playback is conducted without using the surround back speaker.
"NON MTRX" ..............The same signals those of the surround channels are output from the surround
back channels.
"MTRX ON" .................Surround back channel is reproduced using digital matrix processing.
"ES MTRX" ..................When playing DTS signals, the surround back signals undergo digital matrix
processing for playback.
"ES DSCRT" ................When a signal identifying the source as a discrete 6.1-channel source is included
in the DTS signals, the surround back signals included in the source are played.
"PL IIx Cinema"...........Processing is performed with the Cinema mode of the PL IIx decoder and the
Surround Back channel is reproduced.
"PL IIx Music" .............Processing is performed with the Music mode of the PL IIx decoder and the
Surround Back channel is reproduced.
(2) (2ch source)
"OFF" ......................Playback is conducted without using the surround back speaker.
"ON"........................Playback is conducted using the surround back speaker.
NOTE: This operation can be performed directly using the "SURROUND BACK" button on the main unit's
panel.

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